3621622423 has 4 divisors (see below), whose sum is σ = 3623161320. Its totient is φ = 3620083528.

The previous prime is 3621622409. The next prime is 3621622441. The reversal of 3621622423 is 3242261263.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3621622423 - 2⁵ = 3621622391 is a prime.

It is a super-2 number, since 2×3621622423² = 26232297949552781858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621622483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765913 + ... + 770626.

It is an arithmetic number, because the mean of its divisors is an integer number (905790330).

Almost surely, 2^3621622423 is an apocalyptic number.

3621622423 is a deficient number, since it is larger than the sum of its proper divisors (1538897).

3621622423 is a wasteful number, since it uses less digits than its factorization.

3621622423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538896.

The product of its digits is 20736, while the sum is 31.

The square root of 3621622423 is about 60179.9171069552. The cubic root of 3621622423 is about 1535.6811617524.

Adding to 3621622423 its reverse (3242261263), we get a palindrome (6863883686).

The spelling of 3621622423 in words is "three billion, six hundred twenty-one million, six hundred twenty-two thousand, four hundred twenty-three".